<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    div{
        width: 300px;
        height: 300px;
        float: left;
    }
    .box8{
        background-color: #88dc67;
    }
    .box9{
        background-color: #156ea5;
    }
    .box10{
        background-color: #ab157e;
    }
    ul li{
        float: left;
        margin: 0 40px;
        }
</style>
<body>
    <div class="box8"></div>
   <div class="box9"></div>
   <div class="box10"></div>
   
    <ul>
        <li><a href="#">导航1</a></li>
        <li><a href="#">导航2</a></li>
        <li><a href="#">导航3</a></li>
        <li><a href="#">导航4</a></li>
        <li><a href="#">导航5</a></li>
       </ul>
   
</body>
</html>